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Which of the following is an example of commensalism?

ABirds feed off the flies that swarm around the buffalo

BA rabbit population is the main source of food for a certain fox population

CIn their attempt to obtain nectar from blooms, bees pollinate a population of flowers

DTicks can attach and live on the blood of bison

Verified Answer :

corfline

A.Birds feed off the flies that swarm around the buffalo

The Buffalo is generally unaffected by this
but the bird gets a free meal

Answer: A) Birds feed off the flies that swarm around the buffalo  

Commensalism is a relationship between individuals of two species in which in which only one species obtains benefit and another one receives neither harm nor benefit. Birds feed off the flies that swarm around buffalo is an example of commensalism because birds are getting food as flies that swarm around the buffalo. The buffalo is neither harm nor benefited by this act.

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